WILKA SI6 knob cylinder
WILKA SI6 knob cylinder
The SI6 system is the new sinus profile as a vertical, conventional locking system.
SINUS - that is the name of the new system family from WILKA. The new keyways fulfil all expectations that can be posed to a cylinder of a complex keying system.
Patent protection until 2036
Basic length
- from 30/30 mm
- measured from the middle of cam
- extension 5 mm per side
- Ordering information: the knob is always located on the inside of the cylinder.
Execution
- user-friendly serrated key system
- vertical key insertion
- cylinder body: brass matt nickel plated
- easy integration into the "easy" electronic locking system through mechatronic key
Operational area
- interior doors, exterior doors, front doors, apartment doors with increased security requirements
- private houses and apartments
- commercial sectors
Technical characteristics
- 6 pin locking elements, class 80
- up to 8 profile control balls in two additional levels
- standard drilling protection (1 hardened steel body pin)
- special pins for picking resistance
- 1 self-locking pin in the body
- highest degree of copy protection due to protector pins on key and in cylinder core
- made in Germany according to DIN 18252/DIN EN 1303
Key
- key thickness: 2,7 mm
- paracentric key profile against unauthorized opening with locking tools
- protector nickel silver key made of high-quality, low-wear nickel silver (highest patented key copy protection)
- serrated key
- new key design for use with standard security fittings
Options / Special equipment
- different cylinder finishes
- drilling protection (ABH III and ABH V)
- tear-off clip
- seawater resistant version
- freewheel (on request)
Description of the additional options
Cylinder finishes
- standard finish: brass matt nickel plated
- optional: brass polished, brass matt brushed, brass oxidized
- the cylinder knob is delivered in the selected cylinder finish
- for individual design requirements
- if desired, homogeneous appearance of door cylinder and fitting
- Please note:
If a different cylinder finish, different from the standard finish, is ordered, extended production times may occur.








Drilling protection III (ABH III)
- for profile cylinders on endangered doors in conventional systems
- all pin locking elements made of hardened special steel (nickel-plated)
- core with 2 hardened, nickel-plated steel pins for increased protection against pulling and drilling
- body with 2 hardened, nickel-plated steel pins for increased body drilling protection
- on one side at the outside of the cylinder
- not combinable with the option: seawater resistant version


Drilling protection V (ABH V)
- for profile cylinders on endangered doors in conventional systems
- all pin locking elements made of hardened special steel (nickel-plated)
- core with 2 solid carbide pins for highest pulling and drilling protection
- body with 2 solid carbide pins for highest body drilling protection
- on one side at the outside of the cylinder
- not combinable with the option: seawater resistant version




Pulling protection: steel insert as tear-off protection (tear-off clip)
- steel insert integrated into the body as body breakaway protection
- not combinable with the option: seawater resistant version


Resistant to seawater
- seawater-resistant version or for damp rooms (e.g. bathrooms, sauna, cold storage rooms...)
- locking cam and fastening screw made of brass
- knob cylinder with brass knob
- all pin locking elements made of brass (nickel plated)
- not combinable with the option: increased drilling protection (ABH III / V) or pulling protection


Freewheel (on request)
The profile cylinders which have a freely rotating cam are designated as freewheel cylinders.
The cam can be moved 360° freely when no key is inserted.
When the key is inserted, the spring-loaded clutch engages in the cam. This then allows the cylinder to be closed in the conventional way with the key.
- Usually only necessary for special panic or automatic locks. If in doubt, please check with the door manufacturer.
- restrictions possible in combination with other special equipment
Scope of delivery
- knob cylinder incl. 3 or more keys
- 1 fixing screw M5
- security card
Manufacturer:
WILKA Schließtechnik GmbH
Mettmanner Str. 58 – 64
42549 Velbert
www.wilka.de
How to measure the cylinder length correctly?
You can also find help in determining the correct length in our Help Center for "Cylinder Gauge".